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B37003 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B37003: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: PLASTIC ARAMID AND RUBBER BUTADIENE-STYRENE CLASS SBR OVERALL, end_item_identification: 125 LB 3 IN. GLOBE VALVE (CRANE DWG K-757 REV J) LBS, material_document_and_classification: GARLOCK BLUE GARD 3400 MFR REF SINGLE MATERIAL RESPONSE OVERALL, part_name_assigned_by_controlling_agency: BONNET GASKET.

This part is cataloged in the U.S. Government catalog under NSN 5330-01-582-8257, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
B37003
NSN: 5330-01-582-8257
FSC: 5330 — Packing and Gasket Materials
CAGE: 14959 — CRANE CO DIV VALVE DIV (USA)
SPECIFICATIONS
materialPLASTIC ARAMID AND RUBBER BUTADIENE-STYRENE CLASS SBR OVERALL
end_item_identification125 LB 3 IN. GLOBE VALVE (CRANE DWG K-757 REV J) LBS
material_document_and_classificationGARLOCK BLUE GARD 3400 MFR REF SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyBONNET GASKET
NSN5330-01-582-8257
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B37003 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: GARLOCK BLUE GARD 3400 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: PLASTIC ARAMID AND RUBBER BUTADIENE-STYRENE CLASS SBR OVERALL
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONGARLOCK BLUE GARD 3400 MFR REF SINGLE MATERIAL RESPONSE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYBONNET GASKET
END ITEM IDENTIFICATION125 LB 3 IN. GLOBE VALVE (CRANE DWG K-757 REV J) LBS
MATERIALPLASTIC ARAMID AND RUBBER BUTADIENE-STYRENE CLASS SBR OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B37003?
B37003 is a GASKET.
What is the NSN for B37003?
B37003 is cataloged in the U.S. Government catalog under NSN 5330-01-582-8257. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.